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27-04-2022
Biology

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What is the half life of a radioactive isotope if a 500 gram sample decays to 62.5 grams in 99 years?

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tabbyrain064 tabbyrain064

27-04-2022

Answer:

24.75 years

Explanation:

62.5 is 1/4 of 500, which means that in 99 years it passed through four half-lifes. So, you divide 99 by four and you get that the half-life is 24.75 years. 25 years if it was rounded

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